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Finding the Fourth Proportional to 521,153.52, 719,184.99 and 294,799.02

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Solution

The fourth proportional to 521,153.52, 719,184.99 and 294,799.02 is: 406,818.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    521,153.52 : 719,184.99 = 294,799.02 : x
  2. Step 2: Convert to fraction form
    521,153.52/719,184.99 = 294,799.02/x
  3. Step 3: Cross multiply
    521,153.52x = 719,184.99 × 294,799.02
  4. Step 4: Simplify right side
    521,153.52x = 212,015,030,250.71
  5. Step 5: Solve for x
    x = 212,015,030,250.71/521,153.52
  6. Step 6: Final answer
    x = 406,818.76

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.